Maria-Riza V. Castillo C. currently serves as the Operations and Compliance Director at 1st Call Home Healthcare, a position held since April 2021, where oversight of operational aspects and regulatory compliance is paramount. Prior to this role, Maria-Riza was the Business Development Manager and Director of Operations at Aster Grace Nursing & Physiotherapy in the UAE from September 2015 to October 2020, and the Director of Operations for Grace Home Health from June 2010 to August 2015. Maria-Riza also co-founded Grace Healthcare Consultants, LLC, providing strategic direction and business planning from 2013 to January 2015, and started as a Medical Billing Specialist at Neocare Home Health Care from October 2002 to March 2008. Early career experience includes the role of Assistant Account Supervisor at Metropolitan Bank and Trust Company from May 1997 to October 2002. Maria-Riza holds a Bachelor of Science degree in Information Technology from St. Paul University, completed in 1997.